Question 895: Electrostats & Capacitance

Question

Which of the following molecules is a polar molecule?

Accepted Answer

A polar molecule is a molecule containing polar bonds, where the sum of all the bonds dipole moment is not zero.
In case of $\mathrm{H}_2 \mathrm{O}$, the bonds are inclined at an angle, so the net dipole moment is non-zero. Hence, $\mathrm{H}_2 \mathrm{O}$ is a polar molecule while in all other cases the dipole moment are balanced, so the net moment is zero.

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Electrostats & Capacitance

Which of the following molecules is a polar molecule?

Choose the correct answer: